package testIo;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

public class Test04 {
    public static void main(String[] args) throws IOException {
        FileInputStream fis= new FileInputStream("aaa.txt");
        FileOutputStream fos = new FileOutputStream("ccc.txt");
        byte[] data = new byte[1024];
        int b;
        while ((b=fis.read())!=-1){
            fos.write(data,0,b);
        }
        fis.close();
        fos.close();
        System.out.println("复制完毕");
    }
}
